CN2846279Y

CN2846279Y - Body building self running scooter

Info

Publication number: CN2846279Y
Application number: CN 200520023092
Authority: CN
Inventors: 王国珏
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-11
Filing date: 2005-07-11
Publication date: 2006-12-13
Anticipated expiration: 2015-07-11

Abstract

The utility model relates to a body building self-running scooter which is composed of a pedal, a front support frame of the pedal, a transverse beam, an upright rod, handrails, a front wheel, a front fork, a back wheel, a back fork and a vehicle brake, wherein the existing upright rod in the existing scooter is changed into a turning push-and-pull rod, the work made by users to push and pull the turning push-and-pull rod is converted into the forward pushing force by adding components, such as a driving gear group, a chain draw arm, a driving chain, a constriction spring, etc. and adopting a mode that the lower end of the turning push-and-pull rod and the upper end of the front fork are connected together by a turning device, and the users can drive the body building self-running scooter to forwards run by continuously pushing and pulling the turning push-and-pull rod. Meanwhile, through the turning device especially designed, the utility model has free push, pull and turning, greatly enhances the ability of the body building self-running scooter used as a walk-replacing tool, has vogue model, is easy to accept by consumers, and has wide market outlook.

Description

A kind of body-building is coaster voluntarily

Technical field

The utility model relates to a kind of coaster, and particularly a kind of body-building is coaster voluntarily.

Background technology

Along with growth in the living standard.People more and more pay attention to recreation and body-building, therefore a lot of people by bike, roller skate, pedal the sports events that coaster is used as back to nature, strong body and mind, wherein be subjected to deeply youthfully to like that many youngster are used as coaster the walking-replacing tool of going to school especially with the coaster that is full of the fashion breath especially.But existing coaster design all is to make coaster rely on inertia to travel forward with the antagonistic force that the single pin of coaster people produces with kicking backward, whenever can only make the coaster a bit of distance that travels forward once with pedaling, the action that must repeat to pedal ground then could continue to slide forward, this makes coaster not slide forward with the state of kinematic motion that links up, and has weakened the function of coaster as walking-replacing tool; Always single the feet step on the ground simultaneously both can't be tempered upper limbs, also easily caused the unbalanced problem of lower limb exercise.

The utility model content

The purpose of this utility model is the function of riding instead of walk that has coaster now in order to strengthen, and significantly reduces the number of times of the single the feet step on the ground of user, increases upper limbs and waist exercise function, provides a kind of rational in infrastructure, practical, and sustainable body-building of advancing is coaster voluntarily.

The technical scheme that the utility model adopted is: body-building coaster voluntarily is made up of pedal, pedal front frame, crossbeam, vertical rod, handrail, front-wheel, front fork, trailing wheel, back vent and brake, pedal front frame front end is connected by bearing with front fork top, it is characterized in that: the back vent between described pedal and the trailing wheel is provided with an axle drive shaft, fixed installation one drive gear set on the axle drive shaft, drive gear set is made up of the big flywheel and the driven wheel that are fixed on the axle drive shaft; The wheel shaft of described trailing wheel is provided with the back flying wheel, is set with a closed chain between big flywheel and the back flying wheel; Described vertical rod is for turning to pull bar, its underpart is provided with a chain torque arm, the front end of chain torque arm is connected with an end of a chain drive-belt, chain drive-belt from chain torque arm front end vertically downward, turn to by the fixed pulley that is arranged on the pedal front frame, extend to the pedal rear portion from pedal below, be sleeved on the described driven wheel, the other end of chain drive-belt be arranged on crossbeam in-to-in contraction spring and be connected; The described lower end of pull bar that turns to is connected by a steering hardware with the front fork upper end.

The utility model will have vertical rod in the coaster now and change into and turn to pull bar, by increasing parts such as drive gear set, chain torque arm and chain drive-belt, turn to pull bar institute work to be converted into forward propulsion user's push-and-pull, the user can turn to pull bar by continuously pushing away, drawing, and coaster is to overtake voluntarily to drive enhancing body resistance.

The beneficial effects of the utility model are:

1. collection uses, leisure, body-building be one, has improved the functions of use of coaster;

2. push-and-pull, turn to freely, strengthened greatly body-building voluntarily coaster as the ability of walking-replacing tool;

3. by actions such as human upper limb push away, draws, can reach the purpose of tempering muscle of upper extremity;

4. rational in infrastructure, good looking appearance, safe in utilization, reliable.

Description of drawings

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing thereof.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is amplification and the part sectional view of A among Fig. 1.

Fig. 3 is the structural representation of the utility model handrail.

Fig. 4 is the B-B cross section enlarged drawing of Fig. 3.

Fig. 5 is the structural representation of the utility model power assistant spring group.

Fig. 6 is the structural representation of the utility model steering hardware.

Among the figure: 1. pedal, 2. pedal front frame, 3. crossbeam 4. turns to pull bar, 5. handrail, 6. front-wheel, 7. front fork, 8. trailing wheel, 9. back vent, 10. axle drive shaft, 11. big flywheels, 12. driven wheels, 13. back flying wheels, 14. the chain torque arm, 15. chain drive-belts, 16. fixed pulleys, 17. contraction springs, 18. upper bracket, 19. lower brackets, 20. power assistant spring, 21. caging bolts, 22.U the shape groove, 23. transverse axis, 24. handrail sleeve pipes, 25. bearings

The specific embodiment

Fig. 1 is an embodiment of the present utility model.The utility model body-building pedal 1 of coaster voluntarily is connected by pedal front frame 2 with front fork 7 on the front-wheel 6, pedal front frame 2 front ends are connected by bearing with front fork 7 tops, crossbeam 3 is installed in pedal 1 below, back vent 9 between pedal 1 and the trailing wheel 8 is provided with an axle drive shaft 10, fixed installation one drive gear set on the axle drive shaft 10, this drive gear set is made up of the big flywheel 11 and the driven wheel 12 that are fixed on the axle drive shaft 10; The wheel shaft of trailing wheel 8 is provided with back flying wheel 13, is set with a closed chain between big flywheel 11 and the back flying wheel 13; Vertical rod is for turning to pull bar 4, handrail 5 is positioned at the upper end that turns to pull bar 4, turn to the bottom of pull bar 4 to be provided with a chain torque arm 14, the front end of chain torque arm 14 is connected with an end of a chain drive-belt 15, chain drive-belt 15 turns to by the fixed pulley 16 that is arranged on the pedal front frame 2 from chain torque arm 14 front ends vertically downward, extends to pedal 1 rear portion from pedal 1 below, be sleeved on the driven wheel 12, the other end of chain drive-belt 15 be arranged on crossbeam 3 in-to-in contraction springs 17 and be connected; Turn to the lower end of pull bar 4 to be connected by a steering hardware with front fork 7 upper ends.

During use, the user is towards turning to pull bar 4 to stand on the pedal 1, hold handrail 5 front and back push-and-pulls and turn to pull bar 4, when the user pushes away forward, turn to pull bar 4 to lean forward, the front end that drives chain torque arm 14 is to top offset, thereby stretching chain drive-belt 15, chain drive-belt 15 is pulled out upward movement from crossbeam 3, the motion of chain drive-belt 15 drives to driven wheel 12 by fixed pulley 16, drive driven wheel 12 along rotated by force direction,, therefore also drive big flywheel 11 equidirectional rotations because driven wheel 12 and big flywheel 11 are coaxial fixing, thereby ordering about trailing wheel 8 rotates forward, make enhancing body resistance voluntarily coaster advance, this moment chain drive-belt 15 motion also reach contraction spring 17, contraction spring 17 is extended state.

When the user holds handrail 5 and pulls back, turn to pull bar 4 layback, the front end that drives chain torque arm 14 is to bottom offset, this moment, the upper end of chain drive-belt 15 moved downward, because the restoring force effect of contraction spring 17, chain drive-belt 15 can not relax, but regains in the crossbeam 3 along with the contraction of contraction spring 17, recover the initial position, make the user can carry out before pushing away next time.

The user holds handrail 5, constantly pushes away, spurs moving in circles of work to turning to pull bar 4, can drive big flywheel 11 and drive trailing wheels 8 and rotate forward continuously, make enhancing body resistance voluntarily coaster obtain power endlessly, continue to advance.

The utility model turns to pull bar 4 lower ends and front fork 7 upper end bonded assembly steering hardwares as shown in Figure 6, be one U-lag 22 to be set in front fork 7 upper ends, turn to pull bar 4 lower ends to insert in the U-lag 22, the opening direction of U-lag 22 with turn to pull bar 4 push-and-pull directions identical, turn to pull bar 4 lower ends to be connected by a transverse axis 23 that runs through U-lag 22 with front fork 7 upper ends.This connection mode guaranteed to turn to postpone when drawing before the pull bar 4 not interrupted, and about can drive front-wheel 6 when turning to left and right directions rotate, coaster can be by user's requirement at the middle change of direction that advances voluntarily thereby make enhancing body resistance.

Among the embodiment of the present utility model, turn to pull bar 4 bottoms and front fork 7 tops to be separately installed with the upper bracket 18 and the lower bracket 19 (as Fig. 1, Fig. 5) of power assistant spring 20, between upper bracket 18 and the lower bracket 19 the power assistant spring group is installed, the power assistant spring group is formed by being no less than a power assistant spring 20.In use, since enhancing body resistance voluntarily the power that advances of coaster mainly come from before the user push-jump when pull bar 4 institute's work, therefore push-jumply before the user when pull bar 4, comparatively require great effort, upper bracket 18, lower bracket 19 is set and by after being no less than the power assistant spring group that a power assistant spring 20 forms, when the user pulls back when turning to pull bar 4, power assistant spring 20 is stretched; When push-jump during before the user to pull bar 4, because the restoring force effect of power assistant spring 20 when shrinking, can reduce the strength that needs when pushing away before the user greatly, reaching the body-building purpose simultaneously, reason does not need strength excessive and reduce the function of riding instead of walk.For adapting to the user of different strength, the power assistant spring 20 in the power assistant spring group can be one or more, is five in the present embodiment.

Chain torque arm 14 of the present utility model with turn to pull bar 4 to be connected by bearing, chain torque arm 14 is that the center of circle can be done radially and rotated to turn to pull bar 4.This design can guarantee to hold handrail 5 left-right rotation when turning to pull bar 4 the user, can not drive chain torque arm 14 left-right rotation and causes waving of chain drive-belt 15, also just can not cause that chain drive-belt 15 is because of waving the fault of slippage from driven wheel 12.

Embodiment of the present utility model is provided with caging bolt 21 (as shown in Figure 1) at the connecting portion of front fork 7 tops and pedal front frame 2.The purpose that caging bolt 21 is set is to prevent that the angle that turns to pull bar 4 and front fork about 7 to turn to is excessive and occur making the user to be difficult to grasp the situation of balance.

Pull bar 4 upper ends that turn to of present embodiment are connected by bearing 25 with handrail 5.Concrete connection mode can be to turn to pull bar 4 upper ends that one handrail sleeve pipe 24 is set, be provided with bearing 25 in the handrail sleeve pipe 24, and handrail 5 is captiveed joint (as shown in Figure 3, Figure 4) with the axle of bearing 25.This design can make handrail 5 freely rotate in handrail sleeve pipe 24, and during use, the user turns in the process of pull bar 4 holding handrail 5 front and back push-and-pulls, and handrail 5 can rotate with user's hand, bring comfortable gripping sense to the user.

The number of teeth of big flywheel 11 is higher than the number of teeth of driven wheel 12 in the utility model, also is higher than the number of teeth of back flying wheel 13.The pulling force of power assistant spring group is greater than the pulling force of contraction spring 17.

The utility model turns to pull bar 4 telescopic for multistage, can adapt to different users's height.

The pulley structure design is ingenious voluntarily for enhancing body resistance, by increasing parts such as drive gear set, chain torque arm and chain drive-belt, turn to pull bar institute work to be converted into forward propulsion user's push-and-pull, the user can turn to pull bar by continuously pushing away, drawing, drive enhancing body resistance voluntarily coaster to overtake, strengthened greatly enhancing body resistance voluntarily coaster as the ability of walking-replacing tool; By actions such as upper limbs push away, draws, can reach the purpose that muscle of upper extremity is taken exercise simultaneously, modelling fashion, easy for consumers to accept, have vast market prospect.

Claims

1. body-building coaster voluntarily, form by pedal, pedal front frame, crossbeam, vertical rod, handrail, front-wheel, front fork, trailing wheel, back vent, pedal front frame front end is connected by bearing with front fork top, it is characterized in that: the back vent between described pedal and the trailing wheel is provided with an axle drive shaft, fixed installation one drive gear set on the axle drive shaft, drive gear set is made up of the big flywheel and the driven wheel that are fixed on the axle drive shaft; The wheel shaft of described trailing wheel is provided with the back flying wheel, is set with a closed chain between big flywheel and the back flying wheel; Described vertical rod is for turning to pull bar, its underpart is provided with a chain torque arm, the front end of chain torque arm is connected with an end of a chain drive-belt, chain drive-belt from chain torque arm front end vertically downward, turn to by the fixed pulley that is arranged on the pedal front frame, extend to the pedal rear portion from pedal below, be sleeved on the described driven wheel, the other end of chain drive-belt be arranged on crossbeam in-to-in contraction spring and be connected; The described lower end of pull bar that turns to is connected by a steering hardware with the front fork upper end.

2. a kind of body-building according to claim 1 is coaster voluntarily, it is characterized in that: described steering hardware is in the front fork upper end one U-lag to be set, turn to the pull bar lower end to insert in the U-lag, the U-lag opening direction with turn to pull bar push-and-pull direction identical, turn to pull bar lower end and front fork upper end to be connected by a transverse axis that runs through U-lag.

3. a kind of body-building according to claim 1 and 2 is coaster voluntarily, it is characterized in that: described upper bracket and the lower bracket that turns to pull bar bottom and front fork top to be separately installed with power assistant spring is equipped with the power assistant spring group between upper bracket and the lower bracket.

4. a kind of body-building according to claim 1 and 2 is coaster voluntarily, it is characterized in that: described chain torque arm with turn to pull bar to be connected by bearing, the chain torque arm is that the center of circle can be done radially and to be rotated to turn to pull bar.

5. according to the described body-building of claim 3 coaster voluntarily, it is characterized in that: described power assistant spring group is formed by being no less than a power assistant spring.

6. a kind of body-building according to claim 1 and 2 is coaster voluntarily, it is characterized in that: the described pull bar upper end that turns to is connected by bearing with handrail.

7. a kind of body-building according to claim 1 and 2 is coaster voluntarily, it is characterized in that: the connecting portion of described front fork top and pedal front frame is provided with caging bolt.

8. a kind of body-building according to claim 1 and 2 is coaster voluntarily, it is characterized in that: the number of teeth of described big flywheel is higher than the number of teeth of driven wheel, also is higher than the number of teeth of back flying wheel.

9. a kind of body-building according to claim 3 is coaster voluntarily, it is characterized in that: the pulling force of described power assistant spring group is greater than the pulling force of contraction spring.

10. a kind of body-building according to claim 1 and 2 is coaster voluntarily, it is characterized in that: the described pull bar that turns to is that multistage is telescopic.